Chain cover for an exercise bike



FIG. 1 is a perspective view of a chain cover for an exercise bike, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a referential plan view showing an embodiment of the claimed design, wherein the broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a chain cover for an exercise bike, as shown and described. 